Pyramidal diffuser

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Description

FIG. 1 is a top and left front perspective view of a first embodiment of a pyramidal diffuser, showing our design;

FIG. 2 is a top plan view of the embodiment in FIG. 1;

FIG. 3 is a front side elevational view of the embodiment in FIG. 1, where each side view is identical to FIG. 3;

FIG. 4 is a bottom plan view of the embodiment in FIG. 1; and,

FIG. 5 is a bottom and left front perspective view of the embodiment in FIG. 1.

Claims

The ornamental design for a pyramidal diffuser, as shown and described.

Referenced Cited
U.S. Patent Documents
D185976 August 1959 Meyer
D208461 September 1967 Morgan
D209721 December 1967 Stanley
D214939 August 1969 Arrigoni
3922073 November 1975 Schwartz
D300877 April 25, 1989 Cyr
D362081 September 5, 1995 Bilbrey
D411031 June 15, 1999 Conn et al.
D473667 April 22, 2003 Fromm
D499480 December 7, 2004 Stauffer
Patent History
Patent number: D568529
Type: Grant
Filed: Dec 30, 2005
Date of Patent: May 6, 2008
Assignee: Acoustics First Corporation (Richmond, VA)
Inventors: C. Nicholas Colleran, Jr. (Richmond, VA), Samuel J. Colleran (Richmond, VA), Ryan L. Larkin (Richmond, VA)
Primary Examiner: Freda S. Nunn
Assistant Examiner: Kevin K Rudzinski
Attorney: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Application Number: 29/245,816